WO2013120234A1

WO2013120234A1 - Zoom flashlight

Info

Publication number: WO2013120234A1
Application number: PCT/CN2012/000516
Authority: WO
Inventors: 史传稳
Original assignee: 舞阳县龙田精密仪器有限责任公司
Priority date: 2012-02-16
Filing date: 2012-04-16
Publication date: 2013-08-22
Also published as: CN203147293U

Abstract

A zoom flashlight comprises a lens tube (1). The lens tube (1) is connected to an LED (10), and a front end of the lens tube (1) is connected to a twist ring (7). A lens chamber (31) is disposed at the front of the LED (10), and a light-focusing glass set is disposed therein. A rear lens chamber (12) is disposed at the front of the lens chamber (31), and a first focusing lens group is fixed in the rear lens chamber with a rear lens chamber pressing ring (19). A front end of the twist ring (7) is connected to an outer cover (13). An outer tube (14) is disposed within the twist ring (7) and the outer cover (13), and an inner tube (15) is disposed in the outer tube (14). The outer tube (14) is connected to the twist ring (7) by a multiplying power adjusting screw (16). The rear lens chamber (12) is connected to the outer tube (14) and the inner tube (15) by a first sliding pin screw (17) and a first nylon sleeve (18). The front ends of the outer tube (14) and the inner tube (15) are connected to a front lens chamber (22) by a second sliding pin screw (20) and a second nylon sleeve (21). A second focusing lens group is fixed in the front lens chamber (22) with a front lens chamber pressing ring (32). Protective glass (24) is disposed in the front of the front lens chamber (22). The optical lens is used to adjust the light ring without the use of the conventional lamp cup, so that the light of the light ring formed in the illumination is even and no halation is formed, and meanwhile the size of the light ring can be adjusted.

Description

Zoom flashlight Technical field:

The utility model relates to a zoom flashlight.

Background technique:

At present, the flashlights on the market use LED cups or LEDs or halogen lamps. The light effect of such a flashlight is that the center is bright, the edges are halo, and the aperture size is the same within the same distance.

Summary of the invention:

The purpose of the present invention is to overcome the above deficiencies and to provide a compact, easy-to-operate zoom flashlight.

The purpose of the utility model is achieved by the following technical solutions: A zoom flashlight, comprising a mirror tube, a tail end of the lens tube is connected with a tailstock seat, a battery pack is arranged in the mirror tube, and a rear circuit board is connected to the tail end of the battery pack. The rear circuit board is connected to the switch, the switch is placed in the tailstock of the tube, the tail of the battery pack is covered with rubber sheath, the front end of the battery pack is connected to the front circuit board by a spring, and the front circuit board is provided with a lamp holder, and the lamp holder is provided with a lamp holder. LED, LED is connected to the front circuit board through two wires, the front end of the lens tube is connected with a twist ring, the lamp holder and the LED are placed in the twist ring, the front of the LED is provided with a mirror room, the mirror room is fixed with the lamp holder, and the mirror room is provided There is a concentrating glass combination, the front of the mirror room is provided with a rear mirror chamber, and the rear mirror chamber is fixed with a first focusing lens group through a rear mirror chamber pressing ring, and the front end of the twisting ring is connected with a cover, and the twisted ring and the outer cover are provided with an outer part. The inner tube is provided with an inner tube, and the outer tube is connected to the twisted ring by a double-adjusting screw. The rear mirror chamber is connected to the outer tube and the inner tube through the first sliding pin screw and the first nylon sleeve, and the outer tube and the inner tube are in the front end. a front mirror is connected by a second sliding pin screw and a second nylon sleeve , Before the mirror chamber pressure chamber through the front lens focus ring is fixed to the second lens group before the mirror chamber is provided in front of the protective glass, the protective front gasket is provided between the objective lens and the front glass mirror chamber, was provided with a cover glass Mirror pressure ring.

Further improvement of the utility model: The concentrating glass combination is composed of a plurality of concentrating glass, and a small spacer is arranged between each two adjacent concentrating glasses, and each concentrating glass is fixed in the mirror chamber by a small spacer.

Further improvement of the present invention: the first focusing lens group and the second focusing lens group are each composed of a plurality of focusing lenses, and a spacer for positioning is disposed between each two adjacent focusing lenses.

Further improvement of the utility model: a sealing ring is arranged between the lamp holder and the twisting ring, the outer cover and the twisting ring. Compared with the prior art, the utility model has the following advantages: The utility model does not need a conventional lamp cup, and the aperture is adjusted by the optical lens, the aperture light is uniform, no halo, and the aperture size can be adjusted.

BRIEF DESCRIPTION OF THE DRAWINGS:

Figure 1 is a schematic view of the structure of the present invention;

Figure 2 is a schematic diagram of the utility model;

Numbers in the figure: 1-mirror tube, 2-tube tailstock, 3-battery pack, 4-rear circuit board, 5-switch, 6-rubber sheath, 7-spring, 8-front circuit board, 9-lamp holder , 10-LED, 11-wire, 12-rear mirror chamber, 13-outer cover, 14-outer tube, 15-inner tube, 16-double screw, 17-first sliding pin screw, 18-first nylon sleeve, 19-rear chamber pressure ring-, 20-second sliding pin screw, 21-second nylon sleeve, 22-front mirror chamber, 23-object lens washer, 24-protective glass, 25-objective press ring, 26-concentrated light Glass, 27-small spacer, 28-focus lens, 29-spacer, 30-seal, 31-mirror, 32-front chamber pressure ring.

detailed description:

The present invention will be further described in detail below with reference to the embodiments and the accompanying drawings, which are only used to explain the present invention and are not intended to limit the scope of the present invention.

FIG. 1 shows a specific embodiment of a zoom flashlight of the present invention, including a lens tube 1 . The tail end of the lens tube 1 is connected with a tailstock 2, a battery pack 3 is arranged in the mirror tube 1, a rear circuit board 4 is connected to the rear end of the battery pack 3, and the rear circuit board 4 is connected to the switch 5, and the switch 5 is placed. In the tailstock seat 2, the tail of the switch 5 is covered with a rubber sheath 6. In use, after the switch 5 contacts the positive pole of the battery pack 3, the positive pole of the LED 10 is controlled, and the front end of the battery pack 3 is connected to the front circuit board 8 through the spring 7, before The circuit board 8 is provided with a lamp holder 9, and the lamp holder 9 is provided with an LED 10, and the LED 10 communicates with the front circuit board 8 through two wires 11, and is connected to the battery pack 3 through the spring 7 to supply power. The front end of the lens tube 1 is connected with a twisted ring 7, the lamp holder 9 and the LED 10 are placed in the twisted circle 7, the front of the LED 10 is provided with a mirror chamber 31, the mirror chamber 31 is fixed with the lamp holder 9, and the mirror chamber 31 is provided with a concentrating glass combination. The front surface of the mirror chamber 31 is provided with a rear mirror chamber 12, and the rear mirror chamber 12 is fixed with a first focusing lens group through a rear mirror chamber pressing ring 19, and the front end of the twisting ring 7 is connected with a cover 13, a twist ring 7 and a cover 13 An outer tube 14 is disposed therein, and an inner tube 15 is disposed in the outer tube 14. The outer tube 14 is connected to the twist ring 7 by a double screw 16, and the rear mirror chamber 12 passes through the first sliding pin screw 17 and the first nylon sleeve 18 and the outer portion. The tube 14 is connected to the inner tube 15, and the front end of the outer tube 14 and the inner tube 15 is connected to the front mirror chamber 22 via the second sliding pin screw 20 and the second nylon sleeve 21, and the front mirror chamber 22 passes through the front mirror chamber pressure ring 32. A second focusing lens group is fixed, a front surface of the front mirror chamber 22 is provided with a protective glass 24, and an objective lens washer 23 is disposed between the protective glass 24 and the front mirror chamber 22. The front end of the protective glass 24 is provided with an objective lens ring 25, an objective lens The gasket 23 is placed behind the cover glass 24 to provide a sealing action and is pressed by the objective lens ring 25. The concentrating glass combination is composed of a plurality of concentrating glasses 26, and a small spacer 27 is disposed between each two adjacent concentrating glasses 26, and each condensing glass 26 is fixed in the mirror chamber 31 by a small spacer 27. The first focusing lens group and the second focusing lens group are each composed of a plurality of focusing lenses 28, and each two adjacent focusing lenses 28 is provided with a spacer 29, and the spacer 29 is used for positioning the first adjustment The position of the focal lens group and the second focusing lens group. A seal ring 30 is provided between the lamp holder 9 and the twist ring 7, the outer cover 13 and the twist ring 7, and can function as a seal.

Unscrew the tube tailstock 2 counterclockwise, insert the two batteries into the lens tube 1 with the negative pole facing down, then tighten and tighten the tube tailstock 2, press the switch 5, and the flashlight will work. Rotating twist ring 7, driven by double screw 16 The outer tube 14 rotates, and the curve of the outer tube 14 drives the first sliding pin screw 17 and the second sliding pin screw 20. The first sliding pin screw 17 drives the rear mirror chamber 12 and the second sliding pin screw 20 to drive the front mirror chamber 22 The tube 15 moves back and forth to adjust the angle of the emitted light (8 degrees to 20 degrees) to achieve zooming. After using it, press the switch again and the flashlight is turned off. As shown in FIG. 2, the zoom principle of the present invention is as follows: The light emitted by the LED is combined by the concentrating glass, and the number of the concentrating glass can be increased or decreased, and the concentrating glass combination reduces the emission angle of the LED light, and the beam is reduced. After passing through the first focusing lens group and the second focusing lens group, the focusing lens in each group of focusing lens groups may be one piece or multiple pieces, the first focusing lens group and the second focusing lens. The group adjusts the emitted light beam, and the emitted light beam becomes uniform, and at the same time adjusts the position of the first focusing lens group and the second focusing lens group to adjust the beam size. The utility model does not need a conventional lamp cup, and the aperture is adjusted by the optical lens, and the aperture light is uniform, no halo, and the aperture size can be adjusted at the same time.

Claims

Claim

A zoom flashlight comprising a mirror tube (1), a tail end (2) of the tube tube (1) is connected to the tail end, and a battery pack (3) is arranged in the lens tube (1). The rear end of the battery pack (3) is connected with a rear circuit board (4), the rear circuit board (4) is connected to the switch (5), and the switch (5) is placed in the tailstock seat (2) The switch (5) is provided with a rubber sheath (6) at the tail, and the front end of the battery pack (3) is connected to the front circuit board (8) via a spring (7), and the front circuit board (8) is provided a lamp holder (9), the lamp holder (9) is provided with an LED (10), and the LED (10) is connected to the front circuit board (8) through two wires (11), and is characterized by: The front end of the mirror tube (1) is connected with a twist ring (7), and the lamp holder (9) and the LED (10) are placed in the twist ring (7), and the LED (10) is provided in front of a mirror chamber (31), the mirror chamber (31) is fixed to the lamp holder (9), the mirror chamber (31) is provided with a concentrating glass combination, and the front of the mirror chamber (31) is provided a mirror chamber (12), the rear mirror chamber (12) passes through the rear mirror chamber A ring (19) is fixed with a first focusing lens group, a front cover (13) is connected to the front end of the twisting ring (7), and an outer tube (14) is arranged in the twisting ring (7) and the outer cover (13). The inner tube (14) is provided with an inner tube (15), and the outer tube (14) is connected to the twist ring (7) by a double screw (16), the rear mirror chamber (12) Connecting to the outer tube (14) and the inner tube (15) by a first sliding pin screw (17) and a first nylon sleeve (18), the outer tube (14) and the inner tube (15) A front mirror chamber (22) is connected to the front end through a second sliding pin screw (20) and a second nylon sleeve (21), and the front mirror chamber (22) is fixed by a front mirror chamber pressing ring (32). a second focusing lens group, a front surface of the front mirror chamber (22) is provided with a protective glass (24), and an objective lens washer (23) is disposed between the protective glass (24) and the front mirror chamber (22). The front end of the cover glass (24) is provided with an objective lens ring (25).

2. The zoom flashlight according to claim 1, wherein: the concentrating glass combination It consists of a plurality of concentrating glasses (26), each of which is fixed in the mirror chamber (31) by a small spacer (27).

3. The zoom flashlight according to claim 1, wherein: said first focusing lens group and said second focusing lens group are each composed of a plurality of focusing lenses (28), each of said two adjacent said A spacer (29) for positioning is provided between the focusing lenses (28).

The zoom flashlight according to claim 1, characterized in that: the lamp holder (9) and the twist ring (7), the outer cover (13) and the twist ring (7) are respectively provided. Sealing ring (30).